Pomogranit Stones is the leading natural stone, tile and engineered surface supplier and ADR is the leading tile and mosaics distributor in Houston, TX. Together, we form Pomogranit-ADR. …

Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. …

Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.

Dec 26, 2025 · Gemstone, any of various minerals highly prized for beauty, durability, and rarity. A few noncrystalline materials of organic origin (such as pearl and amber) also are classified …

New to gemstones? Curious about the different kinds of gemstones? Check out our gemstones list and discover a world of precious and semi-precious stones.

Gem Encyclopedia is a virtual journey through the science and lore of Gemstones from across the globe. Each Gem page features Gemological Information, a Buyer’s guide, photos, videos & …

Gemstone List: A Complete Gemstones List with Images. Our gemstone list features over 200 precious and semi-precious varieties, a comprehensive index to find the ideal colored stone. …

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Learn about the principles, mechanisms, and characteristics of luminescence that create the impressive and memorable glow of gemstones. Learn the latest trends by GIA on the …

Mar 4, 2025 · Kidney stones can be painful when they pass. Learn about early signs of kidney stones, treatment, and how to prevent them.